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各种罐体(包括罐车罐体)的排砂门(孔)一般都采用多个螺栓夹紧密封,启闭费时费力,改用如附图所示的丝杠定心式排砂门可收到极好的效果。此结构适用于任何圆形(直径≤600 mm)和方形(500 mm×500 mm)排砂门。
Various types of cans (including tanker tank) sand door (hole) are generally used multiple bolt clamping seal, open and close time-consuming and laborious, use the screw as shown in the drawings centering sand can discharge door To excellent results. This structure is suitable for any round (≤600 mm diameter) and square (500 mm x 500 mm) sand drain doors.